Ultimate Arms Gear Ambidextrous Slip On Stock Buttstock Black Sling Mount Strap Loop Adapter Gun Attachment with D-Ring For Remington Rifle & Shotgun 700 770 M24 870 1187 11-87 12 20 Gauge Constructed of Heavy-Duty Tough Nylon Webbing with D-Rings. Configures any Rifle/Shotgun to Accept A Sling. Strap Is 12" Long to Wrap Around the Buttstock. Allows for Easy Access and Moving of Sling to Accommodate Any Situation. Simply Slide And Adjust Onto Buttstock, Easy Installation, No Gunsmithing Required.